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Table 4 Thirty eight isolates with ≥ four-fold reduction in MIC of at least one antibiotic after addition of PAβN (25 µg/ml)

From: Characteristics and diversity of mutations in regulatory genes of resistance-nodulation-cell division efflux pumps in association with drug-resistant clinical isolates of Acinetobacter baumannii

Fold reduction in MIC Antibiotics (no.)
Imipenema Levofloxacin Cefepime Tigecycline Gentamicin
4 1 11 18 7
5 3 3 2
6 3 2 1
7 1
  1. Among 38 isolates, some showed fold reduction in MIC of one antibiotic and some others showed fold reduction in MIC of two or three antibiotics. Accordingly, the number of isolates for each fold reduction and each antibiotic is the total number
  2. aNo fold reduction was observed in MIC of imipenem after addition of PAβN